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Diffstat (limited to 'src/video_core/swrasterizer/texturing.cpp')
-rw-r--r--src/video_core/swrasterizer/texturing.cpp19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/video_core/swrasterizer/texturing.cpp b/src/video_core/swrasterizer/texturing.cpp
index aeb6aeb8c..4f02b93f2 100644
--- a/src/video_core/swrasterizer/texturing.cpp
+++ b/src/video_core/swrasterizer/texturing.cpp
@@ -18,22 +18,33 @@ using TevStageConfig = TexturingRegs::TevStageConfig;
18 18
19int GetWrappedTexCoord(TexturingRegs::TextureConfig::WrapMode mode, int val, unsigned size) { 19int GetWrappedTexCoord(TexturingRegs::TextureConfig::WrapMode mode, int val, unsigned size) {
20 switch (mode) { 20 switch (mode) {
21 case TexturingRegs::TextureConfig::ClampToEdge2:
22 // For negative coordinate, ClampToEdge2 behaves the same as Repeat
23 if (val < 0) {
24 return static_cast<int>(static_cast<unsigned>(val) % size);
25 }
26 // [[fallthrough]]
21 case TexturingRegs::TextureConfig::ClampToEdge: 27 case TexturingRegs::TextureConfig::ClampToEdge:
22 val = std::max(val, 0); 28 val = std::max(val, 0);
23 val = std::min(val, (int)size - 1); 29 val = std::min(val, static_cast<int>(size) - 1);
24 return val; 30 return val;
25 31
26 case TexturingRegs::TextureConfig::ClampToBorder: 32 case TexturingRegs::TextureConfig::ClampToBorder:
27 return val; 33 return val;
28 34
35 case TexturingRegs::TextureConfig::ClampToBorder2:
36 // For ClampToBorder2, the case of positive coordinate beyond the texture size is already
37 // handled outside. Here we only handle the negative coordinate in the same way as Repeat.
38 case TexturingRegs::TextureConfig::Repeat2:
39 case TexturingRegs::TextureConfig::Repeat3:
29 case TexturingRegs::TextureConfig::Repeat: 40 case TexturingRegs::TextureConfig::Repeat:
30 return (int)((unsigned)val % size); 41 return static_cast<int>(static_cast<unsigned>(val) % size);
31 42
32 case TexturingRegs::TextureConfig::MirroredRepeat: { 43 case TexturingRegs::TextureConfig::MirroredRepeat: {
33 unsigned int coord = ((unsigned)val % (2 * size)); 44 unsigned int coord = (static_cast<unsigned>(val) % (2 * size));
34 if (coord >= size) 45 if (coord >= size)
35 coord = 2 * size - 1 - coord; 46 coord = 2 * size - 1 - coord;
36 return (int)coord; 47 return static_cast<int>(coord);
37 } 48 }
38 49
39 default: 50 default: